Re: 24 hour operation

["Andrew McKeown" <a-mckeown@xxxxxxxxxx>]

Regarding backups you can utilize the save while active feature on the save
commands.   This will permit users to be on during the backups.  The down
side is there is a noticeable performance hit when a user tries to access an
object when the system is establishing a sync point for the object.
Exclusive object locks will also cause backup grief as well.

Alternatively you could install data mirroring from either Data Mirror or
Vision where by the data is mirrored to a second AS400.    This would be
more expensive and complex however it would permit achieving 24/7 operation.
This solution is excluding custom modifications that may be necessary to
your nightly processing.

Andrew McKeown
a-mckeown@rogers.com
----- Original Message -----
From: "Chick Doe" <Cdoe@barton-instruments.com>
To: <bpcs-l@midrange.com>
Sent: Friday, May 24, 2002 4:43 PM
Subject: 24 hour operation


we are contemplating adding a graveyard shift. this would mean that we would
need to have BPCS available on a 24 hour basis for inquires, inventory, and
labor posting. we need to run MRP and several other batch jobs that access
the BPCS files each night.  plus we need to do the daily data base backups
on the as/400.

who has experience with this type of an environment? can you share any
thought, what to do's, or what not to do's?
sincerely

charles doe
barton instrument systems

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